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Cultivation techniques of sweet potato seedlings
The history of planting sweet potatoes in Jingxi is not long, especially in Zhaitangchuan, which was rarely planted in the early days of liberation. When I was in my teens, my brother worked in other places, visited my house and brought back several white families. My mother cut into pieces according to the head, steamed it and divided it according to the person. Adults eat small pieces and children eat large pieces. She just tasted it. At that time, eating a sweet potato was fresh. In the mid-1950s, the technology of planting sweet potatoes was widely popularized in the west of Beijing, especially in 1958. Every village achieved high yield and sweet potatoes were planted in a large area. Planting in the west of Beijing mainly depends on transplanting rice seedlings. People call it planting sweet potato, but it is actually planting sweet potato seedlings. The cultivation of sweet potato seedlings has high cost, high cost and strong technology. In the 1960s, Malan Village planted sweet potatoes, and I went to Caogezhuang, Mentougou to order sweet potato seedlings. When picking seedlings, I went to Mentougou the day before and came back the next day to send them directly to the field to plant them quickly. It is also the end of the night battle. The half-day survival rate is not guaranteed. Later, I made up my mind to raise seedlings by myself, digging holes in autumn, storing them in winter, and raising seedlings on a kang in spring, which was particularly troublesome. If it's done well, it's the best thing, and maybe even put one thousand kilograms of sweet potatoes on it.

Sweet potatoes are really high-yielding, with a yield of three to five kilograms per mu, and some high-yielding fields can reach tens of thousands of kilograms, depending on the weather, location and people. Since the 1960s, sweet potatoes have been planted in almost every village in western Beijing. By the end of 1960s, natural disasters and man-made disasters were overwhelming, and sweet potatoes became a good thing from head to toe. At first, sweet potatoes were not counted as rations, and they were divided into families and people who like potatoes; Later, the rations were less, with four catties topping one catty and two catties topping one catty ... By 1970, one catty was one catty, and one catty of sweet potato was one catty of rations; This is not quantitative enough. As a result, I thought of sweet potato seedlings, all of which were distributed according to the head. The life of ordinary people in that era ... can be imagined.

Sweet potato seedlings can be eaten fresh or dry. Dry flour mixed with grain is cooked and eaten; Fresh, with stems and leaves, washed, chopped and boiled, much better than leaves. ...